Any Moral Relativists in the House?

[vulcanlogician]

Perhaps a genuine relativist doesn't believe that there's anything arbitrary about anyone's moral code?

Let's hear this new and improved relativist theory that actually says something about the status of moral facts. Nobody in this thread as yet has defined a kind of relativism that survives Boghossian's criticisms. It isn't strawmanning unless you replace the better argument with a worse one. But I haven't heard the better argument. So let's hear it.